refactor: remove concurrency limit from Telegram upload queue and enhance media group handling

src/utils/telegramQueue.ts

@@ -1,47 +1,3 @@
-type QueueTask<T> = {
-  task: () => Promise<T>;
-  resolve: (value: T | PromiseLike<T>) => void;
-  reject: (reason?: any) => void;
-};
-
-class TelegramQueue {
-  private activeCount = 0;
-  private queue: QueueTask<any>[] = [];
-  private concurrency: number;
-
-  constructor(concurrency = 2) {
-    this.concurrency = concurrency;
-  }
-
-  public enqueue<T>(task: () => Promise<T>): Promise<T> {
-    return new Promise<T>((resolve, reject) => {
-      this.queue.push({ task, resolve, reject });
-      this.processNext();
-    });
-  }
-
-  private async processNext(): Promise<void> {
-    if (this.activeCount >= this.concurrency || this.queue.length === 0) {
-      return;
-    }
-
-    const item = this.queue.shift()!;
-    this.activeCount++;
-
-    try {
-      const result = await item.task();
-      item.resolve(result);
-    } catch (error) {
-      item.reject(error);
-    } finally {
-      this.activeCount--;
-      this.processNext();
-    }
-  }
-}
-
-const telegramQueue = new TelegramQueue(2);
-
 export const enqueueUpload = <T>(task: () => Promise<T>): Promise<T> => {
-  return telegramQueue.enqueue(task);
+  return task();
 };